Shoe upper



FIG. 1 is rear perspective view showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is second side view thereof; and,

FIG. 4 is a rear view thereof.

The broken lines immediately adjacent to the shaded area represent unclaimed boundaries of the design. The uneven-length broken lines showing the remainder of the shoe are for environmental purposes only and form no part of the claimed design. The contrast in shading represents a contrast in appearance only and does not represent any particular color, material, texture or finish. 

CLAIM The ornamental design for a shoe upper, as shown and described. 